Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 Postoperative radiological outcome

From: Correct positioning of the calcar screw leads to superior results in proximal humerus fractures treated with carbon-fibre-reinforced polyetheretherketone plate osteosynthesis with polyaxial locking screws

	Group I (< 12 mm), n = 32	Group II (≥ 12 mm), n = 19	p value
NSD (mm)	2.3 ± 1.9	3.8 ± 3.1	No sign.*
NSA (°)	130.6 ± 9.8	128.1 ± 9.3	No sign.*

n number, NSA neck shaft angulation, NSD neck shaft distance
*Wilcoxon–Mann–Whitney test, p < 0.05

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